189901996

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 353590272

約数和(自身を除く): 163688276

約数列:

[1, 2, 4, 41, 47, 71, 82, 94, 142, 164, 188, 284, 347, 694, 1388, 1927, 2911, 3337, 3854, 5822, 6674, 7708, 11644, 13348, 14227, 16309, 24637, 28454, 32618, 49274, 56908, 65236, 98548, 136817, 273634, 547268, 668669, 1010117, 1157939, 1337338, 2020234, 2315878, 2674676, 4040468, 4631756, 47475499, 94950998, 189901996]

約数ペア:

[(1, 189901996), (2, 94950998), (4, 47475499), (41, 4631756), (47, 4040468), (71, 2674676), (82, 2315878), (94, 2020234), (142, 1337338), (164, 1157939), (188, 1010117), (284, 668669), (347, 547268), (694, 273634), (1388, 136817), (1927, 98548), (2911, 65236), (3337, 56908), (3854, 49274), (5822, 32618), (6674, 28454), (7708, 24637), (11644, 16309), (13348, 14227)]